ASAHI KASEI
[AK4122]
Addr Register Name
01H Selector & Clock Control
D7
BYPS
R/W
0
D6
OSEL
R/W
0
D5
ISEL1
R/W
0
D4
ISEL0
R/W
0
D3
ICKS1
R/W
1
D2
ICKS0
R/W
0
D1
OCKS1
R/W
1
D0
OCKS0
R/W
0
R/W
Default
OCKS1-0: OMCLK Frequency Select for Master mode (Table 5)
Initial values are “10”.
ICKS1-0: MCLK2 Frequency Select for Master mode (Table 4)
Initial values are “10”.
ISEL1-0: Input Port Select
Initial values are “00”.
ISEL1
ISEL0
Input PORT
Default
0
0
1
1
0
1
0
1
PORT1
PORT2
DIR
N/A
Table 19. Input PORT Select
OSEL: Output Port Select
Initial values are “0”.
OSEL
Output PORT
PORT3
Default
0
1
PORT2
Table 20. Output PORT Select
BYPS: Select Bypass mode
0 : SRC mode (Default)
1 : Bypass mode
When BYPS bit = “1”, the AK4122 outputs the clocks (BICK, LRCK) and data that is input by input port
without SRC.
MS0267-E-02
2004/07
- 38 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
